theairports.Byaboutnoon,theskiesclearedandWashington’sNationalAirportreopenedforbusiness.ThecrewofAirFloridaFlight90beganpreparingforanonstoptriptosunnyFortLauderdale,Florida.At3:59p.m.,thetwin-engineBoeing737wasclearedfortakeoffandbeganrumblingdowntherunwayonitsfinalflight.TheAirCrashTobecontinuedonthenextpage....